In X-Men: Days of Future Past, Professor Charles Xavier (Sir Patrick Stewart) and Magneto (Sir Ian McKellan) recruit Hugh Jackman's Wolverine to travel back in time to warn their younger selves (James McAvoy and Michael Fassbender) about a future threat, a conceit which allows the cast of the X-Men prequel First Class to star in the same film.
Plenty of cast members are back for Wolverine's time-traveling adventures, including Jennifer Lawrence, Anna Paquin, Nicholas Hoult, Evan Peters, Halle Berry. Also on board is Ellen Page's Kitty Pryde.
Days of Future Past debuts May 2014.
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